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NASCC 2009- CSD Track

Design of an Industrial Crane

Building Session 5

CSD Presenter:

Jim Fisher

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Design of anIndustrial Crane Building

Session 5

Roof and Wall Design

Standing Seam Roof Considerations

Joist Design

Gravity

Uplift

Ponding

Girt Design (Endwalls and Sidewalls)

Rake Beam Design

Wind Column Design

OMF Lateral Bracing Design

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Review of Design Criteria

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Project Description

50 ton, top running crane, Class D

Quantity: 1 per aisle

Hook height: 45 ft

Roof type: Standing Seam on Joists

Wall type: R- panel with continuous Zs Automatic Sprinkler System

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Project Location

City: Sparks

State: Nevada

County: Washoe

Latitude:39.53

Longitude: -119.74

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Codes and Standards

Building Code: IBC 2006

Minimum Design Loads For Buildings And OtherStructures (ASCE 7-05)

Building Department Contact: John Smith

Date: July 6, 2008

Local Ordinances: None

Wind Speed: 90 mph Wind Exposure: C

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Local Code Requirements

Ground Snow Load: 15 psf

Frost Depth: 24 in.

Seismic Spectral Acceleration:

Ss = 1.476%g

S1 = 0.562%g

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Loads

ROOF DEAD LOAD

Roofing (SSR) 2.0 psf

Insulation 1.0 psf

Roof Bracing 1.0 psf

Joists 3.0 psf

Joist Girders 3.0 psf

Columns 6.0 psf

MEP Allowance 3.0 psf

Miscellaneous 4.0 psf

Total 23.0 psf

WALL DEAD LOAD 3.0 psf

(Includes Girts)

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Loads

ROOF LIVE LOADS 20.0 psf (reduceable)

SNOW LOADS Ground Snow Load (Pg): 15.0 psf

Importance Factor, I = 1.0

Terrain Factor: C

Thermal Factor, Ct: 1.0

Exposure Factor, Ce, partially exposed: 1.0

Flat Roof Snow Load: Pf= 0.7(P

g)(I)(C

e) = 10.5 psf